Your organization wants to encourage more collaboration and communication in the organization. The product team wants to collaborate with marketing and the sales team beyond the usual email system. The head of Corporate Communications communicates monthly via email, but the organization recognizes the need to collaborate informally and adopt more "social business" methods of communication. Your CIO wants to know how the company can use a social business platform for better communication and collaboration. What features would your recommend? What are the perceived benefits? What are the potential risks or challenges